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Code Golf: Collatz Conjecture

...sp+0x04], 2 jne .usage mov ebx, [esp+0x08] push dword [ebx+0x04] call atoi add esp, 4 cmp eax, 0 je .usage mov ebx, eax push eax push msg .loop: mov [esp+0x04], ebx call printf test ebx, 0x01 jz .even .odd: lea ebx, [1+ebx*2+ebx] jmp .loop .even: shr ebx, 1 ...
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How do I determine whether my calculation of pi is accurate?

...various methods to implement a program that gives the digits of pi sequentially. I tried the Taylor series method, but it proved to converge extremely slowly (when I compared my result with the online values after some time). Anyway, I am trying better algorithms. ...
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prototype based vs. class based inheritance

...t around someone (not you) trying to make their idea sound like The Best. All object oriented languages need to be able to deal with several concepts: encapsulation of data along with associated operations on the data, variously known as data members and member functions, or as data and methods, ...
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How to declare variable and use it in the same Oracle SQL script?

...nd variable. The mechanism for assigning values to a VAR is with an EXEC call: SQL> var name varchar2(20) SQL> exec :name := 'SALES' PL/SQL procedure successfully completed. SQL> select * from dept 2 where dname = :name 3 / DEPTNO DNAME LOC ---------- -------------- ...
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How to get a subset of a javascript object's properties

...og(picked); // { a: 5, c: 7 } From Philipp Kewisch: This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form let unwrap = ({a, c}) => ({a, c}); let unwrap2 = function({a, ...
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In vim, how do I go back to where I was before a search?

... You really should read :help jumplist it explains all of this very well. share | improve this answer | fo...
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What is the difference between typeof and instanceof and when should one be used vs. the other?

... @Luke generally a bad idea to use "new String" like this. that creates a "string object" rather than a string primitive. see section here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Colin D ...
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How to run a single test from a rails test suite?

... I'm personally a fan of the regex form: -n "/good/". Shell escaping is always fun, so I tend to stick to simple regexes, but it's far easier than writing out the full test name all the time. – Groxx ...
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What is the easiest way to get current GMT time in Unix timestamp format?

...hon on modern platforms, including Linux, BSD, Mac OS X, and Windows, will all return UTC for time.time(). This mirrors the behavior of the C standard library's time function on these OS's. – Edmond Burnett May 26 '13 at 7:21 ...
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How to add “active” class to Html.ActionLink in ASP.NET MVC

...ges, it would be smart to have a way to apply that selected class automatically based on the current page rather than copy the menu multiple times and do it manually. The easiest way is to simply use the values contained in ViewContext.RouteData, namely the Action and Controller values. We could b...